CN112872378A

CN112872378A - Conveniently dismantle interior concealed electricity main shaft of maintenance

Info

Publication number: CN112872378A
Application number: CN202110032871.1A
Authority: CN
Inventors: 魏文龙; 秦旭华; 陈江山
Original assignee: Jiangsu Bosunman Industrial Equipment Co ltd
Current assignee: Jiangsu Bosunman Industrial Equipment Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-06-01
Anticipated expiration: 2041-01-12
Also published as: CN112872378B

Abstract

The invention discloses a built-in electric spindle convenient to disassemble and maintain. The invention comprises a shell, an optical axis, a front bearing, a rear bearing, a stator, a rotor, a valve control mechanism and an atomization mechanism part, wherein one end of the optical axis extends out of the shell and is rotationally connected with the shell, the front bearing and the rear bearing play a supporting role for the optical axis, the optical axis is fixedly connected with the rotor at the middle position of a connecting line at the contact part of the optical axis and the front bearing, the stator is fixed in the shell, a central line of the rotor, which is vertical to the axis, is superposed with a central line of the stator, which is vertical to the axis, and the axis of the optical axis, the atomization mechanism is positioned in the. According to the invention, the atomization mechanism is arranged in the electric spindle to carry out oil mist lubrication on the bearing, the centrifugal mechanism is arranged in the optical axis and is connected with the valve control mechanism, so that the oil injection quantity can be controlled to change along with the change of the rotating speed during the work of the electric spindle, the consumption of lubricating oil is effectively saved, and the service life of the optical axis is prolonged.

Description

Conveniently dismantle interior concealed electricity main shaft of maintenance

Technical Field

The invention relates to the technical field of machining, in particular to a built-in electric spindle convenient to disassemble and maintain.

Background

The electric main shaft is a new technology which integrates a machine tool main shaft and a main shaft motor into a whole and appears in the field of numerical control machines, and has the advantages of compact structure, light weight, small inertia, low noise, quick response and the like, and the electric main shaft has high rotating speed and high power and simplifies the design of the machine tool. The electric spindle in the prior art can generate a large amount of heat in the operation process, and meanwhile, if lubrication between a bearing and a shaft is insufficient, the operation of an optical axis is not stable, the optical axis is abraded to a certain extent, and the service life of the electric spindle is influenced.

Disclosure of Invention

The present invention is directed to a built-in electric spindle which is easy to disassemble and maintain, so as to solve the problems of the prior art.

In order to solve the technical problems, the invention provides the following technical scheme: an inner hidden electric main shaft convenient for disassembly and maintenance. The electric spindle comprises a shell, an optical axis, a front bearing, a rear bearing, a stator, a rotor, a rear cover, a valve control mechanism and an atomization mechanism component, wherein one end of the shell is provided with a first hole, one end of the optical axis extends out of the first hole to be rotatably connected with the shell, the inner ring of the front bearing is fixedly connected with one end of the optical axis, the outer ring of the front bearing is fixedly connected with the inside of the shell, the inner ring of the rear bearing is fixedly connected with one end of the optical axis far away from the front bearing, the outer ring of the rear bearing is fixedly connected with the inside of the shell, the optical axis is fixedly connected with the rotor at the middle position of a connecting line at the contact part of the front bearing and the rear bearing, the stator is fixed inside the shell, a central line of the rotor perpendicular to the axis coincides with a central line of the stator, one end of the shell, which is far away from the first hole, is provided with a detachable rear cover. The optical axis is connected the casing by front bearing and rear bearing rotation inside the casing, be fixed with the rotor on the optical axis, the casing corresponds the fixed stator that is equipped with of position, the rotor is cutting magnetic induction line motion in the magnetic field that the stator formed, do high-speed rotation when the optical axis under the bearing of front bearing and rear bearing, frictional force is great between the outer lane of front bearing and rear bearing and the inner circle, atomizing mechanism sprays the atomizing of lubricating oil between the inner and outer lane of bearing, effectively reduce the frictional force of optical axis in rotatory process, increase the life of optical axis, valve control mechanism can control the discharge capacity size of atomizing mechanism lubricating oil, can adjust the size of the atomizing volume of lubricating oil according to the optical axis rotation speed, set up detachable back lid in casing one end, the maintenance is dismantled to the inside part of electricity main shaft to the convenience.

Further, the inside centrifugal mechanism that is equipped with of optical axis, centrifugal mechanism includes a plurality of cavitys, the slider, a spring and oil duct part, a plurality of cavitys are established to first row cavity and second row cavity, first row cavity is placed inside the optical axis for the parallel equidistance of a plurality of cavitys, the second row cavity is placed inside the optical axis for the parallel equidistance of a plurality of cavitys, first row cavity is placed along optical axis symmetry with second row cavity, first row cavity is by the oil duct intercommunication, the second row cavity is by the oil duct intercommunication, it is equipped with the slider to be close to optical axis axle center position in the cavity, a spring one end fixed connection the slider, the inner wall that optical axis one end was kept away from to slider one end fixed connection cavity is kept away from to a spring. The centrifugal mechanism is arranged in the optical axis, when the rotating speeds of the optical axis are different, the moving distances of the sliding blocks are different, the extrusion amount of hydraulic oil in the cavity is different, and finally the lubricating oil is led to the valve control mechanism through the oil pipe to adjust the atomization amount of the lubricating oil. The cavity is arranged in the optical axis in order, flowing hydraulic oil in the cavity can further dissipate heat generated by the optical axis in the rotating process, the service life of the optical axis can be prolonged, and the influence on the processing precision due to thermal deformation generated by the heat is reduced.

Further, the valve control mechanism comprises an oil pipe, an oil chamber I, a connecting rod, an oil chamber II, a spring II, an oil pipe II, an oil chamber III, a push rod and a rack component, wherein one end of the oil pipe I extends into the optical axis from one end of the optical axis close to the rear bearing and is rotationally connected with the optical axis, one end of the oil pipe I, which is far away from the optical axis, is fixedly connected with the oil chamber I, one end of the connecting rod is slidably connected with the inner wall of the oil chamber I, one end of the connecting rod, which is far away from the oil chamber I, extends into the oil chamber II and is slidably connected with the inner wall of the oil chamber II, the cross-sectional area of the oil chamber II is larger than that of the oil chamber I, one end of the spring II is fixedly connected with the connecting rod at one end of the oil chamber II, one end of the spring II is far away from the inner wall of the bottom of the oil chamber II, a push rod is arranged in the third oil chamber, one end of the push rod is connected with the inner wall of the third oil chamber in a sliding mode, and one end, far away from the second oil pipe, of the push rod extends out of a third oil chamber fixed connection rack. Centrifugal mechanism gets into an grease chamber through an oil pipe extrusion in with the cavity hydraulic oil, and then promote the connecting rod motion, the connecting rod promotes the hydraulic oil in No. two grease chambers and gets into No. three grease chambers, and then promote push rod and rack motion, because No. two grease chamber cross sectional area are greater than grease chamber cross sectional area, so when the connecting rod in the less distance of grease chamber internal motion, can crowd into No. three grease chambers and then promote the switching size that rack motion controlled the light ring valve with more hydraulic oil in No. two grease chambers, it is "worker" font to set up the connecting rod, when the optical axis rotational speed is slower, also can push the rack and move when hydraulic oil in the cavity gets into a grease chamber less.

Further, atomizing mechanism includes the batch oil tank, No. three oil pipe, and light ring valve mechanism, the atomizer chamber, the carousel, the pivot, No. four oil pipes, helical gear and No. two helical gear parts, batch oil tank fixed connection shells inner wall, No. three oil pipe one end fixed connection batch oil tank, batch oil tank one end fixed connection atomizer chamber is kept away from to No. three oil pipe, be equipped with light ring valve mechanism in the middle of No. three oil pipe, a helical gear cover is established on the optical axis, No. two helical gear fixed connection pivot one end, No. two helical gear one ends are kept away from in the pivot and are stretched into the atomizer chamber and rotate with the atomizer chamber and be connected, the carousel is located the atomizer chamber, carousel bottom end fixed connection pivot, No. four oil pipe one end fixed connection atomizer chamber bottoms, No. four oil pipe keep away from atomizer chamber one end and are located front. Lubricating oil in the oil storage tank drips to the carousel through No. three oil pipe on, the carousel is high-speed rotatory under the drive of a helical gear and No. two helical gears, so lubricating oil can atomize in the twinkling of an eye, can follow blowout in No. four oil pipe when the atomizing oil in the atomizer chamber accumulates a certain amount, and then carries out oil mist lubrication to the bearing, effectively reduces the friction between the bearing.

Further, light ring valve mechanism includes the valve body, a ring, No. two rings, a plurality of blades, arch and spacing groove part, the same position is equipped with the same spacing groove on a ring and No. two rings, blade one end both sides same position is equipped with the arch, a plurality of blade align to grid are between a ring and No. two rings, protruding and spacing inslot wall sliding connection, the ring outside is equipped with the teeth of a cogwheel, No. two ring lateral wall fixed connection valve body inner walls, the rack is kept away from No. three grease chamber one end and is stretched into the inside teeth of a cogwheel meshing with a ring of valve body. The ring outside is equipped with the teeth of a cogwheel and rack toothing, and when the rack drove a ring and rotated, spacing groove on the ring drove the arch and takes place to rotate, and then drives the blade and rotate, so increased the gap between blade and blade, and then increased the lubricating oil falling speed in the oil storage tank.

Further, an oil pipe is kept away from an grease chamber one end and is rotated and connect the sealing rubber ring, the optical axis oil duct is equipped with the recess with an oil pipe near position department, sealing rubber ring arrange in the recess with recess fixed connection, at the inside recess that sets up of optical axis, be equipped with the sealing rubber ring in the recess, effectively seal the gap between an oil pipe and the oil duct, prevent that the optical axis is at rotatory in-process, the oil duct takes place hydraulic oil with an oil pipe contact in-process and reveals.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the atomization mechanism is arranged in the electric spindle to carry out oil mist lubrication on the bearing, the centrifugal mechanism is arranged in the optical axis and is connected with the valve control mechanism, so that the oil discharge capacity in the atomization mechanism can be controlled, the oil injection quantity is changed along with the change of the rotating speed of the electric spindle during working, the consumption of lubricating oil is effectively saved, the service life of the optical axis is effectively prolonged, and the working efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic illustration of the centrifugal mechanism and valve control mechanism of the present invention;

FIG. 3 is a partial enlarged structural schematic view of a centrifugal mechanism of the present invention;

FIG. 4 is a schematic view of the valve control mechanism and the iris valve position configuration of the present invention;

FIG. 5 is a schematic front view of the valve control mechanism of the present invention;

fig. 6 is a schematic structural diagram of the atomizing mechanism of the present invention.

In the figure: 1-a shell; 2-optical axis; 21-a centrifugal mechanism; 211-a cavity; 212-a slider; 213-spring number one; 214-oil gallery; 3-a front bearing; 4-rear bearing; 5-a stator; 6-a rotor; 7-rear cover; 8-a valve control mechanism; 81-first oil pipe; 82-oil chamber I; 83-connecting rod; 84-oil chamber II; 85-second spring; 86-second tubing; 87-oil compartment III; 88-a push rod; 89-rack; 9-an atomization mechanism; 91-an oil storage tank; 92-third oil pipe; 93-iris valve mechanism; 931-valve body; 932-Ring No. one; 933-loop two; 934-blades; 935-a protrusion; 936-a limiting groove; 94-an atomization chamber; 95-a turntable; 96-a rotating shaft; 97-four tubing; 98-helical gear; 99-helical gear No. two; 10-a groove; 11-sealing rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: an inner hidden electric main shaft convenient for disassembly and maintenance. The electric spindle comprises a shell 1, an optical axis 2, a front bearing 3, a rear bearing 4, a stator 5, a rotor 6, a rear cover 7, a valve control mechanism 8 and an atomization mechanism 9, wherein one end of the shell 1 is provided with a first hole, one end of the optical axis 2 extends out of the first hole to be rotatably connected with the shell 1, an inner ring of the front bearing 3 is fixedly connected with one end of the optical axis 2, an outer ring of the front bearing 3 is fixedly connected with the inside of the shell 1, an outer ring of the rear bearing 4 is fixedly connected with one end of the shell 1, an outer ring of the front bearing 2 is fixedly connected with one end of the shell 1, an outer ring of the rear bearing 4 is fixedly connected with the inside of the shell 1, the optical axis 2 is fixedly connected with the rotor 6 at the middle position of a connecting line at the contact part of the front bearing 3 and the rear bearing 4, the stator 5 is fixed inside the shell 1, a central line, valve control mechanism 8 rotates and connects the one end that optical axis 2 is close to rear bearing 4, casing 1 keeps away from a hole one end and is equipped with detachable back lid 7. The optical axis 2 is connected with the shell 1 by the rotation of the front bearing 3 and the rear bearing 4 in the shell 1, a rotor 6 is fixed on the optical axis 2, the stator 5 is fixedly arranged at the corresponding position of the shell 1, the rotor 6 cuts magnetic induction line motion in a magnetic field formed by the stator 5, when the optical axis 2 rotates at a high speed under the bearing of the front bearing 3 and the rear bearing 4, the friction force between the outer ring and the inner ring of the front bearing 3 and the rear bearing 4 is large, the atomizing mechanism 9 atomizes and sprays lubricating oil between the inner ring and the outer ring of the bearing, the friction force of the optical axis 2 in the rotating process is effectively reduced, the service life of the optical axis 2 is prolonged, the valve control mechanism 8 can control the displacement of the lubricating oil of the atomizing mechanism 9, the atomizing amount of the lubricating oil can be adjusted according to the rotating speed of the optical axis 2, the detachable rear cover 7 is arranged at one end of. 2 inside centrifugal mechanisms 21 that are equipped with of optical axis, centrifugal mechanism 21 includes a plurality of cavitys 211, slider 212, a spring 213 and oil duct 214 part, a plurality of cavitys 211 are established to first row of cavity 211 and second row of cavity 211, first row of cavity 211 is placed inside optical axis 2 for the parallel equidistance of a plurality of cavitys 211, second row of cavity 211 is placed inside optical axis 2 for the parallel equidistance of a plurality of cavitys 211, first row of cavity 211 is placed along 2 axis symmetries of optical axis with second row of cavity 211, first row of cavity 211 is by oil duct 214 intercommunication, second row of cavity 211 is by oil duct 214 intercommunication, it is equipped with slider 212 to be close to 2 axle center positions of optical axis in the cavity 211, a spring 213 one end fixed connection slider 212, the inner wall that optical axis 2 axis one end was kept away from to a spring 213 one end fixed connection cavity 211. The centrifugal mechanism 21 is arranged in the optical axis 2, when the rotating speeds of the optical axis 2 are different, the moving distances of the sliding blocks 212 are different, the extrusion amount of hydraulic oil in the cavity 211 is different, and finally the lubricating oil is led to the valve control mechanism 8 through an oil pipe to adjust the atomization amount of the lubricating oil. When optical axis 2 rotates at a high speed, centrifugal force makes slider 212 remove to keeping away from 2 axis position directions of optical axis, and then there is the extrusion to spring 213, extrude the hydraulic oil in cavity 211, it is big more when centrifugal force, it is just more to extrude hydraulic oil, and optical axis 2 is inside to be equipped with the orderly cavity 211 of range, it can be further dispelled the heat of optical axis 2 production at the rotation in-process to have mobile hydraulic oil in cavity 211, can increase optical axis 2's life, the heat altered shape that has reduced because of heat production influences the machining precision. The valve control mechanism 8 comprises an oil pipe 81, an oil chamber 82, a connecting rod 83, an oil chamber 84, a spring 85, an oil pipe 86, an oil chamber 87, a push rod 88 and a rack 89 part, wherein one end of the oil pipe 81 is extended into the inside of the optical axis 2 and is rotationally connected with the optical axis 2 from one end of the optical axis 2 close to the rear bearing 4, the oil pipe 81 is far away from one end of the optical axis 2 and is fixedly connected with the oil chamber 82, one end of the connecting rod 83 is slidably connected with the inner wall of the oil chamber 82, one end of the connecting rod 83, far away from the one end of the oil chamber 82, is extended into the inside of the oil chamber 84 and is slidably connected with the inner wall of the oil chamber 84, the cross-sectional area of the oil chamber 84 is larger than that of the oil chamber 82, one end of the spring 85 is fixedly connected with one end of the connecting rod 83 at one end of the oil chamber 84, the spring, no. two oil pipe 86 one end fixed connection grease chamber 84 bottom No. two, No. two oil pipe 86 keeps away from No. two grease chamber 84 one end fixed connection grease chamber 87 No. three, be equipped with push rod 88 in the grease chamber 87 No. three, the No. three grease chamber 87 inner wall of push rod 88 one end sliding connection, No. two oil pipe 86 one end stretches out No. three grease chamber 87 fixed connection rack 89 is kept away from to push rod 88. Centrifugal mechanism 21 extrudees the hydraulic oil in cavity 211 through oil pipe 81 and gets into No. 82, and then promote the connecting rod 83 motion, the connecting rod 83 promotes the hydraulic oil in No. two grease chambeies 84 and gets into No. three grease chambeies 87, and then promote push rod 88 and rack 89 motion, because No. two grease chambeies 84 cross sectional area is greater than a grease chamber 82 cross sectional area, so when connecting rod 83 moves less distance in a grease chamber 82, can extrude No. three grease chambeies 87 and then promote the rack 89 motion and control the opening and closing size of iris valve with more hydraulic oil in No. two grease chambers 84, set up connecting rod 83 and be "worker" font, when optical axis 2 rotational speed is slower, can also push rack 89 and move when the hydraulic oil in the cavity 211 gets into No. 82 less. The atomization mechanism 9 comprises an oil storage tank 91, a third oil pipe 92, a diaphragm valve mechanism 93, an atomization chamber 94, a turntable 95, a rotating shaft 96, a fourth oil pipe 97, a first bevel gear 98 and a second bevel gear 99, the oil storage tank 91 is fixedly connected with the inner wall of the shell 1, one end of the third oil pipe 92 is fixedly connected with the oil storage tank 91, one end of the third oil pipe 92, which is far away from the oil storage tank 91, is fixedly connected with an atomizing chamber 94, an aperture valve mechanism 93 is arranged in the middle of the third oil pipe 92, the first bevel gear 98 is sleeved on the optical axis 2, the second bevel gear 99 is fixedly connected with one end of the rotating shaft 96, one end of the rotating shaft 96, which is far away from the second bevel gear 99, extends into the atomizing chamber 94 to be rotationally connected with the atomizing chamber 94, the rotary disc 95 is positioned in the atomizing chamber 94, the bottom end of the rotary disc 95 is fixedly connected with a rotating shaft 96, no. four oil pipe 97 one end fixed connection atomizer chamber 94 bottom, No. four oil pipe 97 keeps away from atomizer chamber 94 one end and is located front bearing 3 one side. Lubricating oil in the oil storage tank 91 drops onto the rotary table 95 through the third oil pipe 92, and the rotary table 95 rotates at a high speed under the driving of the first helical gear 98 and the second helical gear 99, so that the lubricating oil can be instantly atomized, and the atomized oil in the atomizing chamber 94 can be sprayed out of the fourth oil pipe 97 when accumulated to a certain amount, so that oil mist lubrication is performed on the bearings, and the friction between the bearings is effectively reduced. The diaphragm valve mechanism 93 includes valve body 931, No. one ring 932, No. two rings 933, a plurality of blades 934, protruding 935 and spacing groove 936 part, the same position is equipped with the same spacing groove 936 on No. one ring 932 and No. two rings 933, blade 934 one end both sides same position is equipped with protruding 935, a plurality of blades 934 align to grid between No. one ring 932 and No. two rings 933, protruding 935 in spacing groove 936 and spacing groove 936 inner wall sliding connection, No. one the ring 932 outside is equipped with the teeth of a cogwheel, No. two ring 933 lateral wall fixed connection valve body 931 inner wall, rack 89 keeps away from No. three grease chamber 87 one end and stretches into the inside and the teeth of a cogwheel meshing of a ring 932 of valve body 931. Ring 932 outside is equipped with the teeth of a cogwheel and the meshing of rack 89, and when rack 89 drove ring 932 and rotated, spacing groove 936 on ring 932 drove protruding 935 and takes place to rotate, and then drives blade 934 and rotate, so increased the gap between blade 934 and blade 934, and then increased the lubricating oil falling rate in the oil storage tank 91. An oil pipe 81 keeps away from an grease chamber 82 one end and rotates and connect sealing

rubber ring

11, 2 oil ducts 214 of optical axis are close to position department with an oil pipe 81 and are equipped with recess 10, sealing rubber ring 11 arrange in recess 10 with recess 10 fixed connection, set up recess 10 in 2 inside optical axis, be equipped with sealing rubber ring 11 in recess 10, effectively seal up the gap between an oil pipe 81 and oil duct 214, prevent that optical axis 2 is at rotatory in-process, oil duct 214 takes place hydraulic oil with an oil pipe 81 contact in-process and reveals.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a convenient interior concealed electricity main shaft who dismantles maintenance which characterized in that: the electric spindle comprises a shell (1), an optical axis (2), a front bearing (3), a rear bearing (4), a stator (5), a rotor (6), a rear cover (7), a valve control mechanism (8) and an atomization mechanism (9) component, wherein one end of the shell (1) is provided with a hole, one end of the optical axis (2) extends out of the hole and is rotatably connected with the shell (1), an inner ring of the front bearing (3) is fixedly connected with one end of the optical axis (2), an outer ring of the front bearing (3) is fixedly connected with the inside of the shell (1), an inner ring of the rear bearing (4) is fixedly connected with one end of the optical axis (2) far away from the front bearing (3), an outer ring of the rear bearing (4) is fixedly connected with the inside of the shell (1), the optical axis (2) is fixedly connected with the rotor (6) at the middle position of a connecting line at the contact position of the front bearing (3) and the rear bearing (4), and the, rotor (6) perpendicular to axis's central line coincides with the central line of stator (5) perpendicular and optical axis (2) axis, atomizing mechanism (9) are located casing (1) and are connected with optical axis (2), valve control mechanism (8) rotate the one end of connecting optical axis (2) and being close to rear bearing (4), casing (1) is kept away from a hole one end and is equipped with detachable back lid (7).

2. The built-in electric spindle convenient to disassemble and maintain as claimed in claim 1, wherein: the optical axis (2) is inside to be equipped with centrifugal mechanism (21), centrifugal mechanism (21) includes a plurality of cavitys (211), slider (212), a spring (213) and oil duct (214) part, a plurality of cavitys (211) are established to first row of cavity (211) and second row of cavity (211), first row of cavity (211) are placed inside optical axis (2) for a plurality of cavitys (211) parallel equidistance, second row of cavity (211) are placed inside optical axis (2) for a plurality of cavitys (211) parallel equidistance, first row of cavity (211) and second row of cavity (211) are placed along optical axis (2) axis symmetry, first row of cavity (211) are communicated by oil duct (214), second row of cavity (211) are communicated by oil duct (214), be close to optical axis (2) axle center position in cavity (211) and be equipped with slider (212), a spring (213) one end fixed connection slider (212), one end of the first spring (213) far away from the sliding block (212) is fixedly connected with the inner wall of one end of the cavity (211) far away from the axis of the optical axis (2).

3. The built-in electric spindle convenient to disassemble and maintain as claimed in claim 1, wherein: valve control mechanism (8) includes oil pipe (81), an grease chamber (82), connecting rod (83), No. two grease chambers (84), No. two spring (85), No. two oil pipe (86), No. three grease chambers (87), push rod (88) and rack (89) part, oil pipe (81) one end is stretched into the inside and optical axis (2) rotation of optical axis (2) from optical axis (2) one end that is close to rear bearing (4) and is connected, optical axis (2) one end fixed connection is kept away from to oil pipe (81) grease chamber (82), connecting rod (83) one end sliding connection grease chamber (82) inner wall, oil chamber (82) one end is kept away from in connecting rod (83) one end stretches into in No. two grease chambers (84) with No. two grease chambers (84) inner wall sliding connection, No. two grease chambers (84) cross sectional area is greater than grease chamber (82) cross sectional area, No. two spring (85) one end fixed connection connecting rod (83) is in the one end of No. two grease chambers (84), no. two inner walls bottom No. two grease chambers of connecting rod (83) one end fixed connection (84) are kept away from in No. two spring (85), No. two grease chambers of oil pipe (86) one end fixed connection (84) bottom, No. two grease chambers of (84) one end fixed connection (87) are kept away from in No. two grease chambers of (86), be equipped with push rod (88) in No. three grease chambers of (87), No. three grease chambers of push rod (88) one end sliding connection (87) inner wall, No. three grease chambers of (87) fixed connection rack (89) are stretched out to No. two grease chambers of (86) one end are kept away from.

4. The built-in electric spindle convenient to disassemble and maintain as claimed in claim 1, wherein: atomizing mechanism (9) includes batch oil tank (91), No. three oil pipe (92), light ring valve mechanism (93), atomizer chamber (94), carousel (95), pivot (96), No. four oil pipe (97), helical gear (98) and No. two helical gear (99) parts, batch oil tank (91) fixed connection casing (1) inner wall, No. three oil pipe (92) one end fixed connection batch oil tank (91), batch oil tank (91) one end fixed connection atomizer chamber (94) is kept away from to No. three oil pipe (92), be equipped with light ring valve mechanism (93) in the middle of No. three oil pipe (92), helical gear (98) cover is established on optical axis (2), helical gear (99) fixed connection pivot (96) one end, No. two helical gear (99) one end is kept away from in pivot (96) and is stretched into atomizer chamber (94) and is rotated and be connected with atomizer chamber (94), carousel (95) are located atomizer chamber (94), carousel (95) bottom fixed connection pivot (96), No. four oil pipe (97) one end fixed connection atomizer chamber (94) bottom, atomizer chamber (94) one end is kept away from in No. four oil pipe (97) one end is located front bearing (3) one side.

5. The built-in electric spindle convenient to disassemble and maintain as claimed in claim 4, wherein: diaphragm valve (93) mechanism includes valve body (931), No. one ring (932), No. two rings (933), a plurality of blade (934), protruding (935) and spacing groove (936) part, the same position is equipped with same spacing groove (936) on a ring (932) and No. two rings (933), blade (934) one end both sides same position is equipped with protruding (935), a plurality of blade (934) align to grid between a ring (932) and No. two rings (933), protruding (935) in spacing groove (936) with spacing groove (936) inner wall sliding connection, a ring (932) outside is equipped with the teeth of a cogwheel, No. two rings (933) lateral wall fixed connection valve body (931) inner wall, No. three teeth of a cogwheel tooth (89) one end is kept away from and is stretched into valve body (931) inside and the meshing of the teeth of a cogwheel of a ring (932).

6. The built-in electric spindle convenient to disassemble and maintain as claimed in claim 1, wherein: an oil pipe (81) is kept away from an oil chamber (82) one end and is rotated and connected sealing rubber ring (11), optical axis (2) oil duct (214) and an oil pipe (81) are close to position department and are equipped with recess (10), sealing rubber ring (11) are arranged in recess (10) and recess (10) fixed connection.